<?php
echo("是：".timeago(date('Y-m-d H:i:s',time()-30*24*60*60)));
exit;

function timeago( $ptime ) {
    $etime = time() - $ptime; if ($etime < 1) return '刚刚';
    $interval = array (
        12 * 30 * 24 * 60 * 60 => '年前 ('.date('Y-m-d', $ptime).')',
        30 * 24 * 60 * 60 => '个月前 ('.date('m-d', $ptime).')',
        7 * 24 * 60 * 60 => '周前 ('.date('m-d', $ptime).')',
        24 * 60 * 60 => '天前',
        60 * 60 => '小时前',
        60 => '分钟前',
        1 => '秒前' ); foreach ($interval as $secs => $str) {
        $d = $etime / $secs;
        if ($d >= 1) {
            $r = round($d);
            return $r . $str;
        }
    }
}